参数资料
| 型号： | SC1565IST25TRT |
| 厂商： | Semtech |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 2.5V 1.5A SOT-223 |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 2.5V |
| 输入电压： | 最高 5.5V |
| 电压 - 压降（标准）： | 0.27V @ 1.5A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A |
| 电流 - 限制（最小）： | 1.6A |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-261-4，TO-261AA |
| 供应商设备封装： | SOT-223 |
| 包装： | 标准包装 |
| 产品目录页面： | 1358 (CN2011-ZH PDF) |
| 其它名称： | SC1565IST25DKR |
SC1565
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: V EN = V IN . Adjustable Option (V ADJ > V TH(ADJ) ): V IN = 2.2V to 5.5V and I O = 10μA to 1.5A.
Fixed Options (V ADJ = GND): V IN = (V O + 0.7V) to 5.5V and I O = 0A to 1.5A. Values in bold apply over the full operating temperature range.
P a r a m e t e r
S y m b o l
T e s t C o n d i t i o n s
M i n
T y p
M a x
U n i t s
V O ( C o n t . )
D r o p o u t V o l t a g e ( 1 ) ( 2 )
I O = 1 A
1 8 0
4 0 0
m V
5 0 0
I O = 1 . 5 A
2 7 0
5 0 0
m V
6 0 0
M i n i m u m L o a d C u r r e n t ( 3 )
C u r r e n t L i m i t
I O
I C L
V I N = V O + 0 . 7 V
1 . 6
1
2 . 0
1 0
3 . 5
μ A
A
A D J
R e f e r e n c e V o l t a g e ( 1 )
V R E F
V I N = 2 . 2 V , V A D J = V O U T , I O = 1 0 m A
1 . 1 8 8
1 . 2 0 0
1 . 2 1 2
V
1 . 1 7 6
1 . 2 2 4
A d j u s t P i n C u r r e n t ( 4 )
A d j u s t P i n T h r e s h o l d ( 5 )
I A D J
V T H ( A D J )
V A D J = V R E F
0 . 0 5
3 0
0 . 2 0
2 0 0
0 . 4 0
n A
V
E N
E n a b l e P i n C u r r e n t
E n a b l e P i n T h r e s h o l d
I E N
V I H
V E N = 0 V , V I N = 3 . 3 V
V I N = 3 . 3 V
1 . 6
1 . 5
1 0
μ A
V
O v e r T e m p e r a t u r e P r o t e c t i o n
V I L
V I N = 3 . 3 V
0 . 4
H i g h T r i p l e v e l
H y s t e r e s i s
T H I
T H Y S T
1 7 0
2 0
° C
° C
Notes:
(1) Low duty cycle pulse testing with Kelvin connections required.
(2) Defined as the input to output differential at which the output voltage drops to 1% below the value
measured at a differential of 0.7V.
(3) Required to maintain regulation. Voltage set resistors R1 and R2 are usually utilized to meet this
requirement. Adjustable versions only.
(4) Guaranteed by design.
(5) When V ADJ exceeds this threshold, the “Sense Select” switch disconnects the internal feedback chain from
the error amplifier and connects V ADJ instead.
? 2005 Semtech Corp.
3
www.semtech.com
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